Feed cleaner for grain grader sample dividers



Jan. 6, 1942. H. L. BRUNDAGE 2,269,179

FEED CLEANER FOR GRAIN GRADER SAMPLE DIVIDERS Filed Aug. 12, 1940-Patented Jan. 6, 1942 UNITED STATES PATENT oFFlc E FEED CLEANER FORGRAIN GRADER SAMPLE DIVIDERS Homer L. Brundage, Toledo, Ohio ApplicationAugust 12, 1940, Serial No. 352,245

3 Claims. (Cl. 209-223) This invention relates to culling outmagnetizable matter from grain tester samples.

This invention has utility when incorporated in a cone spill receivingelectromagnetic device feed to the hopper of a sample divider.

Referring to the drawing:

Fig. 1 is a side elevation, with parts broken away, of an embodiment ofthe invention as adapted to a sample divider for grain graders;

Fig. 2 is a section on the line II-II, Fig. 1, showing the view lookingdown on the magnetizable cone or metal accumulator part; and

Fig. 3 is a section on the line III-III, Fig. 2, showing the relation ofthe supply feed section to this magnetizable cone and its chutetherefrom to the hopper.

In practice, grain standards have to do with gathering samples ofcereals, legumes, seeds,in say 5 or 6 pound bags or thereabouts. Suchsamples for the grain tester are poured into hopper I of grain dividerdevice 2 in the usual course of working supply material 3 from bag orpackages 4. These samples, Whether beans, seeds of the smaller type, oreven wheat, oats, barley, or corn, in the harvesting or processes .asvariously handled, especially by machinery, may at times ac cumulateforeign material which it is desirable to cull therefrom. A character ofthis foreign material which may be contributed by the containers orparts of the machines through which passing is of the magnetizable classand may be small nails, nuts, bolts, etc.

In the practice hereunder, electric supply 5 may have fixture 6 withconductor line I therefrom to switch 8 with conductor lines 9, I 0,therefrom. In the event this supply current be direct current theselines 9, I0, may be directly connected to terminals I I, I 2, atinsulation bracket I3 on upright bracket I4 from chute l5. This chute I5has additional brackets I6 therefrom, which with the bracket l4 mountsupply or feed way tapered hopper or cone I! to receive the spill ofgranular material 3. In the event the electric current or power supplyat fixture 5 be alternating, the lines 9, I0, may connect to lines I8,I9, of rectifier 20, say of the radio type, at which switch 2| mayfunction through the action say of a transformer and six ohm resistor sothat the volt supply current may be brought down to 6 to 8 volts astaken from terminals 22, 23, by conduit 24 to the terminals II, I2.

From the terminals II, I2, extends conduit 25 to coil 26 in cup 2'!carried by radiating arms 28 centrally of the chute or duct portion I5.This 5 cup 25 as carrying the coil 26 has top closure 29 upon whichrests tapered insulation or wood ring 30. In the ascent of this ring 30,it is flush with core 3| of this electromagnet coil 26. This core 3| hastapered apex 32 located centrally of spill opening 33 fromthe supply wayII. Accordingly, with this electromagnet energized, whether by a 110volt direct current or by the lower voltage rectified current, spill ofgranular material into the way I! has such in its downward traveldirected against this apex 32 as magnetized, whereupon this magneticmaterial adheres thereto as the regular seed or grain is free to flow inthis angle of drop. say of approximately 30. Thus the supply of thegranular material freely flows from this supply way I! past the magneticcollec- What is claimed and it is desired to secure by 7 United StatesLetters Patent is: I

1. For assembly with a sample divider of the grain grader type having anupwardly open circular hopper, a chute for delivery to and mounted onsaid hopper, a circular tapered portion centrally in the chute having acentral magnetic and a surrounding non-magnetic face section, and

directing means providing a spill of granular m aterial to lodgedirectly on said central face to spill therefrom over the non-magneticface and be then directed by said chute into the hopper with themagnetic face section effective to retain magnetizable material thereonas the non-magnetic granular material passes therefrom.

. 2. For assembly with a sample divider of the grain grader type havingan upwardly open circular hopper, a chute for delivery to and mounted onsaid hopper, a cone centrally of the chute, said cone having a magneticapex section flush with a non-magnetic frustrum section, .and directingmeans providing a spill of granular material to lodge directly on saidmagnetic apex section to spill therefrom over the non-magnetic frustrumsection and be then directed by said chute into the hopper with themagnetic apex section effective to retain magnetizable material thereonas electromagnet having an apex filler for the ring as a continuationthereof in forming a cone, and

directing means providing a spill of granular material to lodge directlyon said magnetic apex for the non-magnetic material to be directedtherefrom by said chute into the hopper with the magnetic apex effectiveto retain magnetizable material thereon as the non-magnetic granularmaterial passes therefrom.

HOMER L. BRUNDAGE.

